24 lines
850 B
Diff
24 lines
850 B
Diff
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Index: djvulibre-3.5.28/tools/ddjvu.cpp
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===================================================================
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--- djvulibre-3.5.28.orig/tools/ddjvu.cpp 2020-11-20 17:57:32.000000000 +0100
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+++ djvulibre-3.5.28/tools/ddjvu.cpp 2021-05-11 15:14:54.038421444 +0200
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@@ -70,6 +70,7 @@
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#include <locale.h>
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#include <fcntl.h>
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#include <errno.h>
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+#include <stdint.h>
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#ifdef UNIX
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# include <sys/time.h>
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@@ -394,7 +395,9 @@ render(ddjvu_page_t *page, int pageno)
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rowsize = rrect.w;
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else
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rowsize = rrect.w * 3;
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- if (! (image = (char*)malloc(rowsize * rrect.h)))
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+ if ((size_t) rowsize > SIZE_MAX / rrect.h)
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+ die(i18n("Integer overflow when allocating image buffer for page %d"), pageno);
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+ if (! (image = (char*)malloc((size_t) rowsize * rrect.h)))
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die(i18n("Cannot allocate image buffer for page %d"), pageno);
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/* Render */
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